
#include <conio.h>
#include <iostream>
#include <stdio.h>
using namespace std;
void swap(int a, int b)
{
	int temp = a;
	a = b;
	b = temp;
}
int main()
{
	int x = 5;
	int y = 6;
	swap(x, y);
	cout << "x= " << x << endl;
	cout << "y= " << y << endl;
	_getch();
	return 0;